206 MANDIBULATA. — HYMENOrTERA. 



Sp. 219. crassipes. Niger, ahdomine rufo, apice nigra, ano albo, pedibus rufis, 

 posticorumfemoribus apice nigris, antennis 3-coloribus. (Long. corp. 2\ — 3§ 

 lin. ; Exp. Alar, 4 — 5J lin.) 



Ic. crassipes. Gmelin. — Steph. Nomen. 2d edit. col. 137. 



Black ; palpi and mandibles fuscous or reddish ; labrum, a spot on the face 

 and inner orbits sometimes reddish ; abdomen with the 3 basal segments 

 red, the 4th either entirely, or the base and sides, red, the 6th black, mostly 

 white on the back, the 7th above white ; legs rather short, red, with the 

 tips of the hinder femora and tibiae black. 

 Obtained from Mr. Haworth''s cabinet : taken, however, in June, 



near London, 



§ XI. Thorax and scutellum varied with red and white ; abdomen of 2 or 3 

 colours, apex generally white. 



Sp. 220. erythraeus. Rufus, abdominis apice nigra, ana albo,femoribus nigris, 

 scutelli apice et antennarum annulo albis. (Long, corp. 3 — 4 lin. ; Exp. Alar. 

 5—7 lin.) 



Ic. erythrseus. Gravenhorst, i. 632. — Steph. Nomen, 2d edit. col. 137. 



Red: head black, crown reddish; face more or less rufescent, edged with 

 black ; orbits whitish or testaceous ; palpi pale, mandibles red ; antennas 

 rather slender, incurved, fuscous, the 10th to 14th joints, or less, white 

 above, with a fuscous dot, the remainder red beneath; thorax with the 

 breast, the margin of the scutellum, and an obscure dorsal line on the disc 

 black, a transverse streak below the scutellum, and 2 obscure dots at the 

 base of the wings white ; scutellum white at the tip ; abdomen with the 

 apex of the 4th segment, the Sth and 6th, except sometimes a white mar- 

 ginal dot, black, 7th white above; legs with the coxse either entirely red, 

 or more or less varied with black and white ; trochanters black, tipped with 

 white ; femora black, 4 anterior more or less rusty in front ; tibiae fuscous, 

 streaked in front, and the posterior chestnut towards the apex; tarsi 

 fuscous; wings subhy aline; cellule somewhat S-angular. 

 Very scarce : taken in June, near London. 



Sp. 221. ruficeps. Rufus, thorace nigra, dorsa et scuteUa rufis, ana et anten- 

 narum annulo albis. (Long. corp. 4 lin.; Exp. Alar. 6 lin.) 



Ic. ruficeps. Gravenhorst, i. 633. — Steph. Nomen. 2d edit. coL 137. 



Red : mouth straw-colour ; thorax black, with its disc and part of the meta- 

 thorax chestnut-red, the margins of the collar and streak beneath the 

 scutellum red ; scutellum itself red ; abdomen with the 4th to 6th segments 

 fuscous, somewhat chestnut on the back, 7th fuscous, with the back white; 

 ovipositor slightly exserted ; legs red, posterior coxse black, with a red dot ; 

 wings somewhat hyaline ; cellule rather 3-angular. 

 Very rare : found near London, in July. 



Sp. 222. ruficoUis. Riifus, capite post{ce,metathorace supra, pectore,femoribvs, 



